package com.tiancikeji.zaoke.app.common.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import com.tiancikeji.zaoke.app.common.constant.DataDict;
import com.tiancikeji.zaoke.app.common.context.WebContext;

public class WebContextClearFilter implements Filter {

    public void destroy() {

    }

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain filter) throws IOException,
            ServletException {
        WebContext.getInstance().clear();
        WebContext.getInstance().put(DataDict.REQUEST.toString(), request);
        WebContext.getInstance().put(DataDict.RESPONSE.toString(), response);
    
        filter.doFilter(request, response);
    }

    public void init(FilterConfig arg0) throws ServletException {

    }
}
